414 
INDEX. 
Q 
QiiariZf rose, from Connecticut, 394. 
R 
Regnier, M. on a Ductilimeter, 370. 
Rtinwardtj Professor, on a journey through the Preanger Regen- 
cies in Java, 28. 
Rhodium^ properties of, when it forms an alloy with steel, 354. 
Rieiisseds Chronograph described, 384. 
Rigaud, Professor, on the MSS. of the mathematical collections of 
Pappus, 56, 219. 
Riville, M., on the luminosity of the sea, 401. — on the insects which 
produce it, 402. 
Roman Vessels found in Scotland described, 55. 
Root, on the physiology of the, in plants, 328. 
S 
Saltpetre in Hungary, 266. 
Sand, blowing, 404. 
Saussure, M. de, on the influence of green fruits on the air, 249*' 
Scoreshy, Captain, on the errors in the sea-rates of chronometers, 
arising from the magnetism of their balances, l64. 
Sea, encroachment of the, on the coast of America, 1 Q2. 
Senna analysed, 389- 
Seppings, on the circular sterns of ships of war, I9, 
Silver, properties of, when it forms an alloy with steel, 353. 
Smith, Mr James, on the steam-boats plying on the river Clyde, 80. 
— on a whirlwind at Roseneath, 331. 
Soda Alum, a new salt described, 389. 
Solar nutation, 380. 
Spence, William, notice respecting his mathematical essays, 194. 
Spices, 'OTL the cultivation of, at Bencoolen, 127. ' 
Sphielle of Aker and Ceylon, effects of heat upon it, 180. 
Springs of nitrogen in New-York, S87. 
Stars, on the declination of 36 fixed, 225. 
Steam^Boats, list of those plying on the Clyde, 80. 
Steam passage-boat, description cf one by Mr Bald, S65. 
packets, improvements on, 374. 
Steel, on the alloys of, 350. 
Sterns, on the circular form of, in ships of war, I9. 
Stilbite, analysis of the red, 11. 
Stodart, Mr, on the alloys of steel, 350. 
Storm at Genoa on the 25th December 1821, 183. 
Strass, method of making, 370. 
Submarine Forest, notice respecting one, 379* 
Sugar recommended for preserving fish, 242. 
Stdphafe of soda in Hungary, 265. 
Sulphate of lead, 392. 
Swihden, Van, on the history of the invention of pendiihim clocks, 35, 
